GRAHL, Tina; WÜNSCHE, Stephan. Open Library Badge: 15 Kriterien für mehr Offenheit in Bibliotheken. o-bib, [S. l.], v. 7, n. 1, p. 1–2, 2020. DOI: 10.5282/o-bib/5571. Disponível em: https://o-bib.de/index.php/bib/article/view/5571. Acesso em: 14 nov. 2026.